The Steelers first season was 1933. They finished 3-6-2.
The Steelers first winning season came in 1942. Their record was 7-4.
The first year the Steelers made the playoffs was 1972, the year of the Immaculate Reception. In 1947, the Steelers and the Philadelphia Eagles ended up tied for the NFL East lead and had to play a 'playoff' game to determine a winner. The Steelers lost that game 21-0.
The Steelers won the Super Bowl in the following seasons: 1974, 1975, 1978, 1979, 2005 and 2008. In each season, the Super Bowl itself was played after New Years Day. For example, the Super Bowl for the 2008 season was played in February 2009.
The Steelers first playoff appearance was in 1947. They lost to the Philadelphia Eagles 21-0.
The first year that the Steelers went to the Super Bowl followed the 1974 season. On January 12, 1975, the Steelers defeated the Minnesota Vikings 16-6 to win Super Bowl IX.
The Steelers won their first championship in the 1974 season. They defeated the Minnesota Vikings in Super Bowl IX.
The Packers won their first Super Bowl in 1966, and the Steelers in 1974.
The Ravens played in the AFC Central Division when they first entered the NFL in 1996. The teams in their division that they would play twice a year were the Houston Oilers (now Tennessee Titans), Jacksonville Jaguars, Pittsburgh Steelers, Cincinnati Bengals, and Cleveland Browns (the Browns returned to the National Football League in 1999).
Mike Tomlin was the Steelers head coach in 2007. That was his first year as head coach.
1978
Swansea were in the First Division 1981/2 - in fact they briefly topped it.